tahoe mkdir URI -> Error during HTTP request: 500 Internal Server Error

[killyourtv]

allmydata-tahoe: 1.9.0.post77,
foolscap: 0.6.2,
pycryptopp: 0.5.29,
zfec: 1.4.22,
Twisted: 11.1.0,
Nevow: 0.10.0,
zope.interface: unknown,
python: 2.7.2+,
platform: Linux-debian_wheezy/sid-x86_64-64bit_ELF,
pyOpenSSL: 0.13,
simplejson: 2.3.2,
pycrypto: 2.5,
pyasn1: unknown,
mock: 0.7.2,
sqlite3: 2.6.0 [sqlite 3.7.10],
setuptools: 0.6c16dev3

On a grid running on I2P, running "tahoe mkdir LONGURI" gave the following result.

Error during HTTP request: 500 Internal Server Error
"Traceback (most recent call last):\x0aFailure: allmydata.mutable.common.NotEnoughServersError: (\"Publish ran out of good servers, last failure was: [Failure instance: Traceback: <type 'exceptions.AttributeError'>: 'NoneType' object has no attribute 'callRemote'\\n/usr/lib/python2.7/dist-packages/twisted/internet/base.py:800:runUntilCurrent\\n/usr/lib/pymodules/python2.7/foolscap/eventual.py:26:_turn\\n/usr/lib/python2.7/dist-packages/twisted/internet/defer.py:362:callback\\n/usr/lib/python2.7/dist-packages/twisted/internet/defer.py:458:_startRunCallbacks\\n--- <exception caught here> ---\\n/usr/lib/python2.7/dist-packages/twisted/internet/defer.py:545:_runCallbacks\\n$INSTALL_DIR/src/allmydata/mutable/publish.py:635:_push\\n$INSTALL_DIR/src/allmydata/mutable/publish.py:652:push_segment\\n$INSTALL_DIR/src/allmydata/mutable/publish.py:638:_push\\n$INSTALL_DIR/src/allmydata/mutable/publish.py:774:push_everything_else\\n$INSTALL_DIR/src/allmydata/mutable/publish.py:874:finish_publishing\\n$INSTALL_DIR/src/allmydata/mutable/layout.py:544:finish_publishing\\n]\", None)\x0a"

At the time of the error I was connected to 15-17 storage nodes.

(Notification requested by zooko at ticket:1636#comment:12)

[killyourtv]

As of

allmydata-tahoe: 1.9.0.post133.dev0,
foolscap: 0.6.3,
pycryptopp: 0.6.0.1206569328141510525648634803928199668821045408958,
zfec: 1.4.24,
Twisted: 11.1.0,
Nevow: 0.10.0,
zope.interface: unknown,
python: 2.7.3rc2,
platform: Linux-debian_wheezy/sid-x86_64-64bit_ELF,
pyOpenSSL: 0.13,
simplejson: 2.5.0,
pycrypto: 2.5,
pyasn1: unknown,
mock: 0.8.0,
sqlite3: 2.6.0 [sqlite 3.7.11],
setuptools: 0.6c16dev3

I can no longer reproduce this (and I've tried--hard).

[zooko]

Thanks kytv!